Are Al2O3 and MgO tunnel barriers suitable for spin injection in graphene?

2010 ◽  
Vol 97 (9) ◽  
pp. 092502 ◽  
Author(s):  
B. Dlubak ◽  
P. Seneor ◽  
A. Anane ◽  
C. Barraud ◽  
C. Deranlot ◽  
...  
Keyword(s):  
Spin Injection ◽  
Tunnel Barriers

scholarly journals Tunnel Contacts for Spin Injection into Silicon: The Si-Co Interface with and without a MgO Tunnel Barrier—A Study by High-Resolution Rutherford Backscattering

2012 ◽  
Vol 2012 ◽  
pp. 1-13 ◽  
Author(s):  
S. P. Dash ◽  
D. Goll ◽  
P. Kopold ◽  
H. D. Carstanjen
Keyword(s):  
High Resolution ◽  
Room Temperature ◽  
Spin Injection ◽  
Schottky Contact ◽  
Tunnel Barrier ◽  
Si Substrate ◽  
High Crystalline Quality ◽  
Tunnel Barriers ◽  
Interface Structures

In order to obtain high spin injection efficiency, a ferromagnet-semiconducor Schottky contact must be of high crystalline quality. This is particularly important in the case of ferromagnet-silicon interfaces, since these elements tend to mix and form silicides. In this study Co-Si (100) interfaces were prepared in three different ways: by evaporation at room temperature, low temperature (), and with Sb as surfactant, and their interface structures were analyzed by high-resolution RBS (HRBS). In all cases more or less strong in-diffusion of Co with subsequent silicide formation was observed. In order to prevent the mixing of Co and Si, ultra thin MgO tunnel barriers were introduced in-between them. In situ HRBS characterization confirms that the MgO films were very uniform and prevented the mixing of the Si substrate with deposited Co and Fe films effectively, even at .

scholarly journals Spin-injection device based on EuS magnetic tunnel barriers

2002 ◽  
Vol 81 (10) ◽  
pp. 1815-1817 ◽  
Author(s):  
A. T. Filip ◽  
P. LeClair ◽  
C. J. P. Smits ◽  
J. T. Kohlhepp ◽  
H. J. M. Swagten ◽  
...  
Keyword(s):  
Spin Injection ◽  
Injection Device ◽  
Tunnel Barriers

Low-resistance spin injection into silicon using graphene tunnel barriers

2012 ◽  
Vol 7 (11) ◽  
pp. 737-742 ◽  
Author(s):  
O. M. J. van 't Erve ◽  
A. L. Friedman ◽  
E. Cobas ◽  
C. H. Li ◽  
J. T. Robinson ◽  
...  
Keyword(s):  
Spin Injection ◽  
Low Resistance ◽  
Tunnel Barriers

Electrical Spin Injection and Detection in Silicon Nanowires through Oxide Tunnel Barriers

Nano Letters ◽  
2013 ◽  
Vol 13 (2) ◽  
pp. 430-435 ◽  
Author(s):  
Shixiong Zhang ◽  
Shadi A. Dayeh ◽  
Yan Li ◽  
Scott A. Crooker ◽  
Darryl L. Smith ◽  
...  
Keyword(s):  
Silicon Nanowires ◽  
Spin Injection ◽  
Tunnel Barriers ◽  
Electrical Spin ◽  
Oxide Tunnel ◽  
Spin Injection And Detection

scholarly journals Bias-dependent spin injection into graphene on YIG through bilayer hBN tunnel barriers

2018 ◽  
Vol 98 (12) ◽  
Author(s):  
Johannes Christian Leutenantsmeyer ◽  
Tian Liu ◽  
Mallikarjuna Gurram ◽  
Alexey A. Kaverzin ◽  
Bart J. van Wees
Keyword(s):  
Spin Injection ◽  
Tunnel Barriers

scholarly journals Efficient spin injection into graphene through trilayer hBN tunnel barriers

2018 ◽  
Vol 124 (19) ◽  
pp. 194301 ◽  
Author(s):  
Johannes Christian Leutenantsmeyer ◽  
Josep Ingla-Aynés ◽  
Mallikarjuna Gurram ◽  
Bart J. van Wees
Keyword(s):  
Spin Injection ◽  
Tunnel Barriers

Enhanced spin injection and detection in spin valves with integrated tunnel barriers

2009 ◽  
Vol 94 (12) ◽  
pp. 122510 ◽  
Author(s):  
Andreas Vogel ◽  
Jeannette Wulfhorst ◽  
Guido Meier
Keyword(s):  
Spin Injection ◽  
Spin Valves ◽  
Tunnel Barriers ◽  
Spin Injection And Detection
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